Faithless are among five new acts confirmed for this year's Rock Werchter.
The dance group will be joined by rising starlets La Roux and Florence And The Machine as well as The Gossip and Vitalic.
They join rock-heavy acts Muse, Rammstein and Green Day, who have been announced previously, along with and Pink.
Four-day passes are on sale now priced at 188 EUR.
Tickets will be available here from 9am Saturday.
For four days, the best present-day acts can be seen and heard on two stages. As always, big names and established acts play the Main Stage, the Pyramid Marquee is reserved for upcoming talent, more intimate acts and dance beats.
80,000 festival-goers are expected to attend from all corners of the world.
Rock Werchter 2010 will take place at Werchter, Belgium from 1-4 July.